Delete environments
You can delete an environment when you are no longer using it. Delete with caution, as deleting an environment is permanent. To delete an environment:- Click the project menu. The project menu appears:

The project menu.
- Select Project settings.
- Select Environments. The Environments list appears.
- Click the three-dot overflow menu for the environment.
- Select Delete environment. A “Delete environment?” dialog appears.
- Enter the name or key of your environment in the confirmation field.
- Click Delete.
You can also use the REST API: Delete environment